S06E07: To Trick or Treat or Not to Trick or Treat

Samantha is working on Halloween costumes for a UNICEF benefit. Endora is dismayed at Samantha for celebrating Halloween. Endora turns Darrin into a witch to get him to see the disrespect of witches on Halloween. After getting into a lot of trouble with his appearance, Darrin apologizes to Endora and she removes the spell.